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-rw-r--r--plugins/ioam-plugin/ioam/lib-trace/jvpp_ioam_trace.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/plugins/ioam-plugin/ioam/lib-trace/jvpp_ioam_trace.c b/plugins/ioam-plugin/ioam/lib-trace/jvpp_ioam_trace.c
index 3b573506ec6..1d878ea3e24 100644
--- a/plugins/ioam-plugin/ioam/lib-trace/jvpp_ioam_trace.c
+++ b/plugins/ioam-plugin/ioam/lib-trace/jvpp_ioam_trace.c
@@ -64,11 +64,15 @@ JNIEXPORT void JNICALL Java_io_fd_vpp_jvpp_ioamtrace_JVppIoamtraceImpl_init0
plugin_main->my_client_index = my_client_index;
plugin_main->vl_input_queue = (unix_shared_memory_queue_t *)queue_address;
- name = format (0, "ioam_trace_%08x%c", api_version, 0);
- plugin_main->msg_id_base = vl_client_get_first_plugin_msg_id ((char *) name);
+ name = format (0, "ioam_trace_%08x%c", api_version, 0);
+ plugin_main->msg_id_base = vl_client_get_first_plugin_msg_id ((char *) name);
- plugin_main->callbackObject = (*env)->NewGlobalRef(env, callback);
- plugin_main->callbackClass = (jclass)(*env)->NewGlobalRef(env, (*env)->GetObjectClass(env, callback));
+ if (plugin_main->msg_id_base == (u16) ~0) {
+ jclass exClass = (*env)->FindClass(env, "java/lang/IllegalStateException");
+ (*env)->ThrowNew(env, exClass, "ioam_trace plugin is not loaded in VPP");
+ } else {
+ plugin_main->callbackObject = (*env)->NewGlobalRef(env, callback);
+ plugin_main->callbackClass = (jclass)(*env)->NewGlobalRef(env, (*env)->GetObjectClass(env, callback));
#define _(N,n) \
vl_msg_api_set_handlers(VL_API_##N + plugin_main->msg_id_base, #n, \
@@ -79,6 +83,7 @@ JNIEXPORT void JNICALL Java_io_fd_vpp_jvpp_ioamtrace_JVppIoamtraceImpl_init0
sizeof(vl_api_##n##_t), 1);
foreach_api_reply_handler;
#undef _
+ }
}
JNIEXPORT void JNICALL Java_io_fd_vpp_jvpp_ioamtrace_JVppIoamtraceImpl_close0